Create an animated gif from a Dropbox Capture link

gif-from-dropbox-capture

#!/bin/bash

# Usage:
# 1. take a video with dropbox capture.
# 2. run this file. It will convert the video link from your pasteboard into a gif and replace it.

function chrome {
    /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome $@
}

TMPDIR=$(mktemp)
rm $TMPDIR
mkdir $TMPDIR
TMPFILE="$TMPDIR/video.ts"

videourl=$(pbpaste)

if [[ "${videourl:0:4}" != http ]]; then
    echo "$videourl is not a url"
    exit 1
fi

dom=$(chrome --headless --run-all-compositor-stages-before-draw --virtual-time-budget=10000 --dump-dom $videourl)

echo $dom > "$TMPDIR/rendered.html"

plist1src=$(sed -rn "s/.*<video.*<source src=\"([^\"]+)\".*/\1/p" "$TMPDIR/rendered.html")

echo "fetching $plist1src"

curl $plist1src -o "$TMPDIR/plist1.m3u8"

plist2src=$(grep "type=video" "$TMPDIR/plist1.m3u8" | tail -n 1)

echo "fetching $plist2src"

curl "$plist2src" -o "$TMPDIR/plist2.m3u8"

video=$(grep "type=video" "$TMPDIR/plist2.m3u8" | tail -n 1)

echo "video URL: $video"

curl "$video" -o "$TMPFILE"

mkdir "$TMPDIR/frames"

open "$TMPDIR"

animation="$TMPDIR/animation.gif"

ffmpeg -i $TMPFILE -r 24 "$animation"

echo "animation: $animation"

# gifsicle --delay=18 --loop "$TMPDIR/frames/out*.png" > "$TMPDIR/animation.gif"

# convert -layers Optimize "$TMPDIR/animation.gif" "$TMPDIR/animation_optimized.gif"

osascript -e "set the clipboard to (read (POSIX file $animation) as GIF animation)"

echo "Press [k] to keep the files, any other key to delete them."
while : ; do
read -n 1 k <&1
if [[ $k = k ]] ; then
break
else
rm -rf $TMPDIR
break
fi
done